I'm sorry to hear of your dilemma.
The underfunding of the public defender's office is precisely the reason why you want to retain private legal counsel to help you with your case. Your attorney may be burdened with 100 cases or more and the reality is that you will not get the service from the PD's office that you will from private counsel.
Look at it this way. You have been charged with a crime. It is sort of like being diagnosed with a deadly disease. If you don't find a way to afford to have the best doctors around treat you---and you rely on the free clinic at the end of the street instead---well, things might not go so well for you. The same premise applies to criminal
legal problems. It's not that one lawyer is necessarily better than the other (though many private, criminal defense attorneys grew up professionally in the trenches of the public defender's office)---it boils down to how much time they can devote to your case.
Instead of just asserting why you can't afford a private attorney---get out there and beg or borrow from friends and relatives---sell your car, your stereo, your other possessions---but do what you must to afford your own attorney.
I wish you well.
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